Article
Distinctive malfunctions of calmodulin mutations associated with heart RyR2-mediated arrhythmic disease.
Biochimica et biophysica acta - 1 Nov 2015
Vassilakopoulou Vyronia, Calver Brian L, Thanassoulas Angelos, Beck Konrad, Hu Handan, Buntwal Luke, Smith Adrian, Theodoridou Maria, Kashir Junaid, Blayney Lynda, Livaniou Evangelia, Nounesis George, Lai F Anthony, Nomikos Michail
Abstract excerpt
Calmodulin (CaM) is a cytoplasmic calcium sensor that interacts with the cardiac ryanodine receptor (RyR2), a large Ca(2+) channel complex that mediates Ca(2+) efflux from the sarcoplasmic reticulum (SR) to activate cardiac muscle contraction. Direct CaM association with RyR2 is an important physiological regulator of cardiac muscle excitation-contraction coupling and defective CaM-RyR2 protein interaction has...
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